EP3380881A1 - Insulator and method of manufacturing the same - Google Patents
Insulator and method of manufacturing the sameInfo
- Publication number
- EP3380881A1 EP3380881A1 EP16805520.0A EP16805520A EP3380881A1 EP 3380881 A1 EP3380881 A1 EP 3380881A1 EP 16805520 A EP16805520 A EP 16805520A EP 3380881 A1 EP3380881 A1 EP 3380881A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- insulation
- insulation tube
- wall
- fiber receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000009413 insulation Methods 0.000 claims abstract description 168
- 239000000835 fiber Substances 0.000 claims abstract description 90
- 239000013307 optical fiber Substances 0.000 claims abstract description 62
- 238000007664 blowing Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4417—High voltage aspects, e.g. in cladding
- G02B6/442—Insulators
- G02B6/4421—Insulators with helical structure of optical fibre, e.g. fibres wound around insulators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/32—Single insulators consisting of two or more dissimilar insulating bodies
- H01B17/325—Single insulators consisting of two or more dissimilar insulating bodies comprising a fibre-reinforced insulating core member
Definitions
- the present invention relates to an insulator and a method of manufacturing the insulator.
- an insulator is provided between the high voltage electrical equipment and the low voltage electrical equipment. Both ends of the insulator are mounted on housings of the high voltage electrical equipment and the low voltage electrical equipment, respectively. In this way, the high voltage electrical equipment and the low voltage electrical equipment are electrically isolated from each other by the insulator.
- the insulator may be used to support the high voltage electrical equipment or the low voltage electrical equipment.
- a mounting groove is formed in an outer wall of an insulation tube of the insulator, and the optical fiber/cable is installed in the fiber mounting groove, then an insulation umbrella skirt is molded on the outer wall of the insulation tube by an injection mould.
- the optical fiber/cable may be easily damaged due to high temperature and high pressure produced during molding the insulation umbrella skirt on the outer wall of the insulation tube; (2) since the optical fiber/cable is tightly wrapped between the insulation umbrella skirt and the insulation tube and bonded to insulation umbrella skirt and the insulation tube, it is impossible to replace the optical fiber/cable, resulting in the optical signal transmission function cannot be repaired if the optical fiber/cable is damaged; and (3) since the fiber mounting groove is formed in the outer wall of the insulation tube, the mechanical strength of the insulation tube or the insulator is reduced.
- the present invention has been made to overcome or alleviate at least one aspect of the above mentioned disadvantages.
- an insulator in which an optical fiber/cable is easily replaced without damaging the optical fiber/cable.
- an insulator comprising: an insulation tube; an insulation umbrella skirt formed on an outer wall of the insulation tube; at least one fiber receiving tube provided inside the insulation tube or between the insulation tube and the insulation umbrella skirt; and at least one optical fiber/cable received in the at least one fiber receiving tube, respectively.
- the at least one fiber receiving tube is held to an inner wall or the outer wall of the insulation tube.
- a holding member adapted to hold the fiber receiving tube on the inner wall or the outer wall of the insulation tube is provided on the inner wall or the outer wall of the insulation tube.
- the holding member comprises a hook-shaped member or an elastic clamping member connected to the inner wall or the outer wall of the insulation tube.
- the fiber receiving tube is directly adhered to the inner wall or the outer wall of the insulation tube.
- the holding member comprises at least one receiving groove formed in the outer wall of the insulation tube, and the at least one fiber receiving tube is received and held in the at least one receiving groove, respectively.
- the fiber receiving tube is held on the insulation tube along a spiral path or a linear path.
- the insulator may further comprise: a first flange mounted on one end of the insulation tube and adapted to connect an electrical equipment or element; a second flange mounted on the other end of the insulation tube and adapted to connect the other electrical equipment or element; a first sealing cover mounted on the one end of the insulation tube and adapted to seal an port at the one end of the insulation tube; and a second sealing cover mounted on the other end of the insulation tube and adapted to seal the other port at the other end of the insulation tube.
- the one end of the fiber receiving tube passes through and is fixed to the first sealing cover, and the other end of the fiber receiving tube passes through and is fixed to the second sealing cover.
- the insulation tube is filled with insulating gas or insulating liquid therein.
- a method of manufacturing an insulator comprising steps of: providing an insulation tube; forming an insulation umbrella skirt on an outer wall of the insulation tube; providing at least one fiber receiving tube in the insulation tube; and blowing at least one optical fiber/cable into the at least one fiber receiving tube by an air blowing equipment, respectively.
- a method of manufacturing an insulator comprising steps of: providing an insulation tube; providing at least one fiber receiving tube in the insulation tube or on an outer wall of the insulation tube; forming an insulation umbrella skirt on the outer wall of the insulation tube; and blowing at least one optical fiber/cable into the at least one fiber receiving tube by an air blowing equipment, respectively.
- a method of manufacturing an insulator comprising steps of: providing an insulation tube; forming at least one receiving groove in an outer wall of the insulation tube; placing at least one fiber receiving tube in the at least one receiving groove of the insulation tube, respectively; forming an insulation umbrella skirt on the outer wall of the insulation tube; and blowing at least one optical fiber/cable into the at least one fiber receiving tube by an air blowing equipment, respectively.
- the at least one fiber receiving tube is held on the insulation tube along a spiral path or a linear path.
- the optical fiber/cable since the fiber receiving tube for receiving the optical fiber/cable is provided in the insulator, the optical fiber/cable may be easily introduced into or taken out of the fiber receiving tube, facilitating the replacement of the optical fiber/cable without damaging the optical fiber/cable.
- the optical fiber/cable may be introduced into the fiber receiving tube after the insulation umbrella skirt is molded on the insulation tube.
- the optical fiber/cable is not disadvantageously affected by high temperature and pressure produced during molding the insulation umbrella skirt, ensuring the quality of the optical fiber/cable.
- Fig. l shows a longitudinal cross section view of an insulator according to an embodiment of the present invention, in which an optical fiber/cable is not inserted into a fiber receiving tube;
- Fig.2 shows a longitudinal cross section view of the insulator according to the embodiment of the present invention, in which an optical fiber/cable is inserted into a fiber receiving tube;
- Fig.3 shows a longitudinal cross section view of an insulator according to a further embodiment of the present invention, in which an optical fiber/cable is not inserted into a fiber receiving tube;
- Fig.4 shows a longitudinal cross section view of an insulator according to the further embodiment of the present invention, in which an optical fiber/cable is inserted into a fiber receiving tube.
- an insulator comprising: an insulation tube; an insulation umbrella skirt formed on an outer wall of the insulation tube; at least one fiber receiving tube provided inside the insulation tube or between the insulation tube and the insulation umbrella skirt; and at least one optical fiber/cable received in the at least one fiber receiving tube, respectively.
- Figs.1 and 2 show an insulator according to an exemplary embodiment of the present invention.
- Fig. l shows a longitudinal cross section view of an insulator according to the embodiment of the present invention, in which an optical fiber/cable 150 is not inserted into a fiber receiving tube 140;
- Fig.2 shows a longitudinal cross section view of the insulator according to the embodiment of the present invention, in which an optical fiber/cable 150 is inserted into a fiber receiving tube 140.
- one end of the insulator may be mounted on a high voltage electrical equipment (not shown), the other end of the insulator may be mounted on a low voltage electrical equipment (not shown). In this way, the high voltage electrical equipment and the low voltage electrical equipment may be electrically isolated from each other by the insulator.
- the insulator mainly comprises an insulation tube 110, an insulation umbrella skirt 120, at least one fiber receiving tube 140 and at least one optical fiber/cable 150.
- the insulation umbrella skirt 120 is formed on an outer wall of the insulation tube 110, for example, the insulation umbrella skirt 120 may be molded on the outer wall of the insulation tube 110 by an injection mould.
- the fiber receiving tube 140 is provided in the insulation tube 110 and passes through the insulation tube 110.
- the optical fiber/cable 150 is received in the fiber receiving tube 140 and passes through the fiber receiving tube 140.
- One end of the optical fiber/cable 150 is coupled with an optical fiber/cable from an electrical equipment (for example, the high voltage electrical equipment), for example, by a fiber optic connector or by fusing, the other end of the optical fiber/cable 150 is coupled with an optical fiber/cable from another electrical equipment (for example, the low voltage electrical equipment), for example, by a fiber optic connector or by fusing.
- an electrical equipment for example, the high voltage electrical equipment
- another electrical equipment for example, the low voltage electrical equipment
- the optical fiber/cable 150 is introduced into the fiber receiving tube 140 after the insulation umbrella skirt 120 is molded on the outer wall of the insulation tube 1 10. In this way, the optical fiber/cable 150 is not disadvantageously affected by high temperature and pressure produced during molding the insulation umbrella skirt 120, ensuring the quality of the optical fiber/cable 150.
- the optical fiber/cable 150 may be blown through the fiber receiving tube 140 by an air blowing equipment (not shown).
- the air blowing equipment may comprise an air compressor.
- a holding member (not shown) adapted to hold the fiber receiving tube 140 on the inner wall 1 10a of the insulation tube 110 is provided on the inner wall 110a of the insulation tube 1 10.
- the holding member may comprise a hook-shaped member or an elastic clamping member connected to the inner wall 1 10a of the insulation tube 1 10.
- the fiber receiving tube 140 may be directly adhered to the inner wall 1 10a of the insulation tube 1 10, for example, by an adhesive.
- the fiber receiving tube 140 is held on the insulation tube 110 along a spiral path.
- the present invention is not limited to this, for example, in another embodiment, the fiber receiving tube may be held on the insulation tube along a linear path.
- the insulator may further comprise a first flange 131 and a second flange 132.
- the first flange 131 is mounted on one end of the insulation tube 110 and adapted to connect the electrical equipment (for example, the high voltage electrical equipment).
- the second flange 132 is mounted on the other end of the insulation tube 110 and adapted to connect the other electrical equipment (for example, the low voltage electrical equipment).
- the insulator may further comprise a first sealing cover 161 and a second sealing cover 162.
- the first sealing cover 161 is mounted on the one end of the insulation tube 110 and adapted to seal a port at the one end of the insulation tube 110.
- the second sealing cover 162 is mounted on the other end of the insulation tube 110 and adapted to seal the other port at the other end of the insulation tube 110.
- the one end of the fiber receiving tube 140 passes through and is fixed to the first sealing cover 161
- the other end of the fiber receiving tube 140 passes through and is fixed to the second sealing cover 162.
- the insulation tube is filled with insulation media therein.
- the insulation tube is filled with insulating gas or insulating liquid therein.
- a method of manufacturing an insulator As shown in Figs. l and 2, the method mainly comprises steps of:
- an insulation umbrella skirt 120 on an outer wall of the insulation tube 110; providing at least one fiber receiving tube 140 in the insulation tube 110; and blowing at least one optical fiber/cable 150 into the at least one fiber receiving tube 140 by an air blowing equipment, respectively.
- a method of manufacturing an insulator As shown in Figs. l and 2, the method mainly comprises steps of:
- the at least one fiber receiving tube 140 may be held on the insulation tube 110 along a spiral path or a linear path.
- an insulator mainly comprising: an insulation tube 110; an insulation umbrella skirt 120 formed on an outer wall of the insulation tube 110; and at least one fiber receiving tube 140 provided inside the insulation tube 110 and passing through the insulation tube 110.
- the at least one fiber receiving tube 140 is adapted to receive at least one optical fiber/cable 150 therein, respectively.
- Figs.3 and 4 show an insulator according to a further exemplary embodiment of the present invention.
- Fig.3 shows a longitudinal cross section view of the insulator according to the further embodiment of the present invention, in which an optical fiber/cable 250 is not inserted into a fiber receiving tube 240; and Fig.4 shows a longitudinal cross section view of the insulator according to the further embodiment of the present invention, in which an optical fiber/cable 250 is inserted into a fiber receiving tube 240.
- one end of the insulator may be mounted on a high voltage electrical equipment (not shown), the other end of the insulator may be mounted on a low voltage electrical equipment (not shown). In this way, the high voltage electrical equipment and the low voltage electrical equipment may be electrically isolated from each other by the insulator.
- the insulator mainly comprises an insulation tube 210, an insulation umbrella skirt 220, at least one fiber receiving tube 240 and at least one optical fiber/cable 250.
- the insulation umbrella skirt 220 is formed on an outer wall of the insulation tube 210, for example, the insulation umbrella skirt 220 may be molded on the outer wall of the insulation tube 210 by an injection mould.
- the fiber receiving tube 240 is provided between the insulation tube 210 and the insulation umbrella skirt 220.
- the at least one fiber receiving tube 240 is held on the outer wall 210a of the insulation tube 210.
- the optical fiber/cable 250 is received in the fiber receiving tube 240 and passes through the fiber receiving tube 240.
- One end of the optical fiber/cable 250 is coupled with an optical fiber/cable from an electrical equipment (for example, the high voltage electrical equipment), for example, by a fiber optic connector or by fusing; the other end of the optical fiber/cable 250 is coupled with an optical fiber/cable from another electrical equipment (for example, the low voltage electrical equipment), for example, by a fiber optic connector or by fusing.
- an electrical equipment for example, the high voltage electrical equipment
- the low voltage electrical equipment for example, by a fiber optic connector or by fusing
- the optical fiber/cable 250 is introduced into the fiber receiving tube 240 after the insulation umbrella skirt 220 is molded on the outer wall of the insulation tube 210. In this way, the optical fiber/cable 250 is not disadvantageously affected by high temperature and pressure produced during molding the insulation umbrella skirt 220, ensuring the quality of the optical fiber/cable 250.
- the optical fiber/cable 250 may be blown through the fiber receiving tube 240 by an air blowing equipment (not shown).
- the air blowing equipment may comprise an air compressor.
- At least one receiving groove 260 is formed in the outer wall 210a of the insulation tube 210.
- the at least one fiber receiving tube 240 is received and held in the at least one receiving groove 260, respectively.
- the receiving groove 260 formed in the outer wall 210a of the insulation tube 210 may run along a spiral path, so that the fiber receiving tube 240 held in the receiving groove 260 may run along the spiral path.
- the present invention is not limited to this, for example, in another embodiment, the receiving groove 260 formed in the outer wall 210a of the insulation tube 210 may run along a linear path, so that the fiber receiving tube 240 held in the receiving groove 260 may run along the linear path.
- the insulator may further comprise a first flange 231 and a second flange 232.
- the first flange 231 is mounted on one end of the insulation tube 210 and adapted to connect the electrical equipment (for example, the high voltage electrical equipment).
- the second flange 232 is mounted on the other end of the insulation tube 210 and adapted to connect the other electrical equipment (for example, the low voltage electrical equipment).
- the insulation tube 210 may be filled with insulation media therein.
- the insulation tube 210 may be filled with insulating gas or insulating liquid therein.
- a method of manufacturing an insulator As shown in Figs.3 and 4, the method mainly comprises steps of:
- the at least one fiber receiving tube 240 may be held on the insulation tube 210 along a spiral path or a linear path.
- an insulator mainly comprising: an insulation tube 210; an insulation umbrella skirt 220 formed on an outer wall of the insulation tube 210; and at least one fiber receiving tube 240 provided between the insulation tube 210 and the insulation umbrella skirt 220.
- the at least one fiber receiving tube 240 is adapted to receive at least one optical fiber/cable 250 therein, respectively.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510823311.2A CN106772844A (en) | 2015-11-24 | 2015-11-24 | Insulator and its manufacture method |
PCT/IB2016/057038 WO2017089956A1 (en) | 2015-11-24 | 2016-11-22 | Insulator and method of manufacturing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3380881A1 true EP3380881A1 (en) | 2018-10-03 |
EP3380881B1 EP3380881B1 (en) | 2021-08-25 |
Family
ID=57471941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16805520.0A Active EP3380881B1 (en) | 2015-11-24 | 2016-11-22 | Insulator and method of manufacturing the same |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3380881B1 (en) |
JP (1) | JP6811775B2 (en) |
KR (1) | KR102211676B1 (en) |
CN (1) | CN106772844A (en) |
WO (1) | WO2017089956A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110596842A (en) * | 2019-09-10 | 2019-12-20 | 四川乐飞光电科技有限公司 | Rat-proof optical cable and construction method thereof |
CN111308628A (en) * | 2019-11-28 | 2020-06-19 | 中国铁路设计集团有限公司 | Protection method for high-speed rail tunnel deformation joint penetrated by embedded sensing optical cable |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3382801T2 (en) * | 1982-11-08 | 1996-08-14 | British Telecomm | Optical cable |
CH671639A5 (en) * | 1986-10-24 | 1989-09-15 | Bbc Brown Boveri & Cie | |
JPH06325648A (en) * | 1993-05-14 | 1994-11-25 | Furukawa Electric Co Ltd:The | Insulator wire built-in optical fiber |
FR2725302B1 (en) * | 1994-09-30 | 1997-03-14 | Sediver | AN ELECTRICAL ISOLATOR EQUIPPED WITH OPTICAL FIBERS AND ITS MANUFACTURING METHOD |
DE19635372C1 (en) * | 1996-08-21 | 1997-10-09 | Siemens Ag | Wound high voltage insulating tube |
ES2171052T3 (en) * | 1997-12-30 | 2002-08-16 | Emtelle Uk Ltd | INSERTION METHOD OF A LIGHT TRANSMITTER ELEMENT IN A TUBE. |
EP1418452A1 (en) * | 2002-11-07 | 2004-05-12 | Abb Research Ltd. | High voltage device with optical fiber and fabrication method therefor |
CN201289766Y (en) * | 2008-11-06 | 2009-08-12 | 上海姆威信息科技有限公司 | Built-in spiral tortility fiber-optical type composite insulator |
CN205301643U (en) * | 2015-11-24 | 2016-06-08 | 泰科电子(上海)有限公司 | Insulator |
-
2015
- 2015-11-24 CN CN201510823311.2A patent/CN106772844A/en active Pending
-
2016
- 2016-11-22 KR KR1020187017379A patent/KR102211676B1/en active IP Right Grant
- 2016-11-22 JP JP2018526547A patent/JP6811775B2/en active Active
- 2016-11-22 WO PCT/IB2016/057038 patent/WO2017089956A1/en active Application Filing
- 2016-11-22 EP EP16805520.0A patent/EP3380881B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR20180084948A (en) | 2018-07-25 |
JP6811775B2 (en) | 2021-01-13 |
CN106772844A (en) | 2017-05-31 |
WO2017089956A1 (en) | 2017-06-01 |
JP2019502946A (en) | 2019-01-31 |
EP3380881B1 (en) | 2021-08-25 |
KR102211676B1 (en) | 2021-02-02 |
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